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12 for 12 now! The new AC ignitor transformer really seems to have done the trick.

Now that it is cold again I'm fiddling with the heater once more. The parts that fixed the ignitor lasted for about 2 starts, leaving me to guess that the transformer must be bad. I checked the electronics with a scope and had a nice big 150Volt spike feeding into the transformer, but it...

I finally got the parts to fix the ignition coil (after getting a quote from Dyna-Curtis for $450 each!!) I pulled the end cap off and found the circuit board completely embedded in some nasty rubber that was a bit of a pain to get picked out. I eventually had to do both sides which made the...

I'll have to give that a shot. Another thing I got to wondering about is the altitude adjustment it has in the fuel flow. Being that my house sits at about 7,600 feet I wonder if some adjusting of that might change the fuel/air mix and allow it to burn more cleanly. Thanks, Jeff

So after lighting instantly several times & running about 20 hours total I tried to fire it up a couple nights ago and no joy, well a little joy, the engine fired right up with no bleeding, but the burner wouldn't light. I pulled it apart again to check the burner area and it was well and truly...

I thought I should get back to this thread as I've gotten the heater to run pretty consistently now. The bleeding was pretty easy, tho I must have an air leak somewhere as it needs to be re-bled pretty much every time I run it after it sits for a week. To bleed I pull the air-diverter cover...

I just picked up this Model H-1 heater nsn: 4520-01-135-2770 and was wondering if anybody could point me towards a tech order or some such. It ran fine when I inspected it, tho it was hard to start. I also ran it for several hours the same day when I got it home (still hard to start). I'm...